Confidence: Medium · Source: FCC ULS · As of 2026-09-09

AA4HL

Active

RIDDLE, HOBERT C

Location: ERWIN, TN
Class: Amateur Extra
Granted: 2020-05-21
Expires: 2030-07-11
Previous call: NA4HL
FRN: 0002629327

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Vanity availability

Held

Currently held

AA4HL is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

NA4HLcancelled· E
RIDDLE, HOBERT CTNgranted 1999-03-31cancelled 2000-07-11
KA4HZHcancelled· A
RIDDLE, HOBERT Ccancelled 1999-03-31

Prior holders later became

KA1Qexpired· E
MAC KENZIE, CHESTER AFLgranted 2006-03-25cancelled 2018-06-19

License history

0 events

No recorded events.

More vanity slots coming available

From Tennessee

All →

KG4TWC 2026-09-10
KK4LNE 2026-09-10
KK4LNK 2026-09-10
KQ4TPH 2026-09-10
KQ4UUA 2026-09-10

Starting with AA4

All →

AA4NJ KY · 2026-09-28
AA4HU FL · 2027-01-04
AA4CI TN · 2027-02-04
AA4YC FL · 2027-03-15
AA4PL KY · 2027-06-21

Full history → Vanity availability → Callsign genealogy →